/* kefubao.com.cn — 客服软件评测网 */
:root {
  --c-primary: #2563eb;
  --c-primary-dark: #1e40af;
  --c-text: #1f2937;
  --c-text-light: #6b7280;
  --c-bg: #f8fafc;
  --c-border: #e5e7eb;
  --c-summary-bg: #eff6ff;
  --c-summary-border: #bfdbfe;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.75;
  font-size: 16px;
}
a { color: var(--c-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 860px; margin: 0 auto; padding: 0 20px; }

/* header */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--c-border);
  position: sticky; top: 0; z-index: 10;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; padding: 14px 20px; gap: 8px; }
.brand { font-size: 19px; font-weight: 700; color: var(--c-text); }
.brand:hover { text-decoration: none; }
.brand-sub { font-size: 12px; color: var(--c-text-light); font-weight: 400; margin-left: 8px; }
.main-nav { display: flex; flex-wrap: wrap; gap: 4px 18px; }
.main-nav a { color: var(--c-text-light); font-size: 15px; padding: 4px 2px; }
.main-nav a.active, .main-nav a:hover { color: var(--c-primary); text-decoration: none; }

/* breadcrumb */
.breadcrumb { font-size: 13px; color: var(--c-text-light); padding: 14px 0 4px; }
.breadcrumb .sep { margin: 0 6px; color: #cbd5e1; }
.breadcrumb span { color: var(--c-text-light); }

/* content */
.content { padding: 12px 0 48px; }
article {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 12px;
  padding: 32px 34px 36px;
  margin-top: 10px;
}
h1 { font-size: 26px; line-height: 1.4; margin-bottom: 8px; }
h2 { font-size: 20px; margin: 30px 0 12px; padding-top: 8px; scroll-margin-top: 76px; }
h3 { font-size: 17px; margin: 20px 0 8px; }
p { margin: 10px 0; }
ul, ol { margin: 10px 0 10px 22px; }
li { margin: 4px 0; }
.meta { font-size: 13px; color: var(--c-text-light); margin-bottom: 18px; }
strong { color: #111827; }

/* summary box (GEO 快速结论) */
.summary {
  background: var(--c-summary-bg);
  border: 1px solid var(--c-summary-border);
  border-radius: 10px;
  padding: 16px 18px;
  margin: 6px 0 10px;
}
.summary-label { font-weight: 700; font-size: 13px; color: var(--c-primary-dark); margin-bottom: 6px; letter-spacing: 2px; }

/* toc */
.toc {
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: 10px;
  padding: 14px 18px;
  margin: 14px 0;
  font-size: 14px;
}
.toc-title { font-weight: 700; margin-bottom: 6px; }
.toc ol { margin-left: 18px; }

/* tables */
table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 14px; display: block; overflow-x: auto; }
th, td { border: 1px solid var(--c-border); padding: 9px 12px; text-align: left; vertical-align: top; }
th { background: #f1f5f9; font-weight: 600; white-space: nowrap; }
tr:nth-child(even) td { background: #fafbfc; }

/* faq */
.faq { margin-top: 28px; border-top: 2px solid var(--c-border); padding-top: 6px; }
.faq-item { border-bottom: 1px solid var(--c-border); padding: 6px 0; }
.faq-item summary { cursor: pointer; font-weight: 600; font-size: 15px; padding: 8px 0; }
.faq-item summary:hover { color: var(--c-primary); }
.faq-answer { color: var(--c-text); font-size: 15px; padding-bottom: 10px; }

/* cta */
.cta {
  background: linear-gradient(135deg, #eff6ff, #f0fdf4);
  border: 1px solid var(--c-summary-border);
  border-radius: 12px;
  padding: 20px 22px;
  margin-top: 28px;
  text-align: center;
}
.cta-title { font-weight: 700; font-size: 16px; margin-bottom: 4px; }
.cta-desc { font-size: 14px; color: var(--c-text-light); margin-bottom: 12px; }
.cta-btn {
  display: inline-block; background: var(--c-primary); color: #fff !important;
  padding: 9px 26px; border-radius: 8px; font-weight: 600; font-size: 15px;
}
.cta-btn:hover { background: var(--c-primary-dark); text-decoration: none; }

/* related */
.related { margin-top: 22px; background: #fff; border: 1px solid var(--c-border); border-radius: 12px; padding: 20px 26px; }
.related h2 { margin-top: 0; font-size: 17px; }
.related ul { list-style: none; margin: 8px 0 0; }
.related li { padding: 5px 0; border-bottom: 1px dashed var(--c-border); font-size: 15px; }
.related li:last-child { border-bottom: none; }

/* footer */
.site-footer { background: #0f172a; color: #94a3b8; padding: 28px 0; margin-top: 12px; font-size: 13px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 6px 20px; margin-bottom: 12px; }
.footer-nav a { color: #cbd5e1; }
.foot-note { margin-bottom: 8px; line-height: 1.6; }
.copyright { color: #64748b; }

/* card grid for category pages */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; margin: 18px 0; }
.card { background: #fff; border: 1px solid var(--c-border); border-radius: 10px; padding: 16px 18px; }
.card h3 { margin: 0 0 6px; font-size: 15px; }
.card h3 a { color: var(--c-text); }
.card p { font-size: 13px; color: var(--c-text-light); margin: 0; }

.note { background: #fff7ed; border: 1px solid #fed7aa; border-radius: 8px; padding: 12px 16px; font-size: 14px; margin: 14px 0; }

@media (max-width: 640px) {
  article { padding: 22px 18px 26px; }
  h1 { font-size: 22px; }
  .header-inner { flex-direction: column; align-items: flex-start; }
}